[docs] update 'adjust-extensions' explanation (#3031)

2 years ago · 15a4d7696f
parent 1696f68a68
commit 15a4d7696f
1 changed files with 5 additions and 1 deletions
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@ -3095,9 +3095,13 @@ Type
 Default
    ``true``
 Description
-    Check the file headers of ``jpg``, ``png``, and ``gif`` files
+    Check file headers of downloaded files
    and adjust their filename extensions if they do not match.

+    For example, this will change the filename extension (``{extension}``)
+    of a file called ``example.png`` from ``png`` to ``jpg`` when said file
+    contains JPEG/JFIF data.
+

 downloader.http.headers
 -----------------------